Global Patent Index - EP 2143885 A1

EP 2143885 A1 20100113 - Gas assisted turbine seal

Title (en)

Gas assisted turbine seal

Title (de)

Gasunterstützte Turbinendichtung

Title (fr)

Joint de turbine assisté par gaz

Publication

EP 2143885 A1 20100113 (EN)

Application

EP 09164233 A 20090630

Priority

US 16892708 A 20080708

Abstract (en)

A dovetail seal assembly (100) for sealing a gap (90) between a bucket dovetail (60) and a rotor (20). The dovetail seal assembly (100) may include a sealing slot (110) positioned about the dovetail (60), a high-pressure supply hole (130) in communication with the sealing slot (110), and a deformable seal (150) positioned about the sealing slot (110) and into the gap (90).

IPC 8 full level

F01D 5/30 (2006.01); F01D 5/08 (2006.01); F01D 11/00 (2006.01); F16J 15/46 (2006.01)

CPC (source: EP US)

F01D 5/081 (2013.01 - EP US); F01D 5/3007 (2013.01 - EP US); F01D 11/006 (2013.01 - EP US); F05D 2300/614 (2013.01 - EP US); Y10T 29/49321 (2015.01 - EP US)

Citation (search report)

Designated contracting state (EPC)

AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO SE SI SK TR

DOCDB simple family (publication)

EP 2143885 A1 20100113; EP 2143885 B1 20130619; CN 101624919 A 20100113; CN 101624919 B 20131211; JP 2010019258 A 20100128; US 2010008783 A1 20100114; US 8210820 B2 20120703

DOCDB simple family (application)

EP 09164233 A 20090630; CN 200910151410 A 20090708; JP 2009159436 A 20090706; US 16892708 A 20080708